Home / 686,502,132.90-1,029,753,199.35-492,002,600.10

Finding the Fourth Proportional to 686,502,132.90, 1,029,753,199.35 and 492,002,600.10

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Solution

The fourth proportional to 686,502,132.90, 1,029,753,199.35 and 492,002,600.10 is: 738,003,900.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,502,132.90 : 1,029,753,199.35 = 492,002,600.10 : x
  2. Step 2: Convert to fraction form
    686,502,132.90/1,029,753,199.35 = 492,002,600.10/x
  3. Step 3: Cross multiply
    686,502,132.90x = 1,029,753,199.35 × 492,002,600.10
  4. Step 4: Simplify right side
    686,502,132.90x = 506,641,251,541,493,696
  5. Step 5: Solve for x
    x = 506,641,251,541,493,696/686,502,132.90
  6. Step 6: Final answer
    x = 738,003,900.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.